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imx233: add audioin init code, add adc dma interrupts, fix register defines

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Change-Id: I204afbd3390f8dcde6ea1315ea6aa8dde12d3749
This commit is contained in:
Amaury Pouly 2012-02-05 15:26:32 +01:00
parent cd89b31133
commit 0aca81d807
5 changed files with 27 additions and 5 deletions
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13
firmware/target/arm/imx233/audioin-imx233.c
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@ -18,10 +18,16 @@
* KIND, either express or implied.
*
****************************************************************************/
#include "audioout-imx233.h"
#include "audioin-imx233.h"
void imx233_audioin_preinit(void)
{
/* Enable AUDIOIN block */
imx233_reset_block(&HW_AUDIOIN_CTRL);
/* Enable ADC */
__REG_CLR(HW_AUDIOIN_ANACLKCTRL) = HW_AUDIOIN_ANACLKCTRL__CLKGATE;
/* Set word-length to 16-bit */
__REG_SET(HW_AUDIOIN_CTRL) = HW_AUDIOIN_CTRL__WORD_LENGTH;
}
void imx233_audioin_postinit(void)
@ -30,4 +36,9 @@ void imx233_audioin_postinit(void)
void imx233_audioin_close(void)
{
/* TODO mute */
/* Gate off ADC */
__REG_SET(HW_AUDIOIN_ANACLKCTRL) = HW_AUDIOIN_ANACLKCTRL__CLKGATE;
/* will also gate off the module */
__REG_CLR(HW_AUDIOIN_CTRL) = HW_AUDIOIN_CTRL__RUN;
}